Pollsters have gotten a lot wrong lately and, after the 2016 election, our trust in polling plummeted. So how does political polling work? And can you really trust any of it? We asked three professional poll-watchers and creators what they think. | Want to support 1A? Subscribe to our podcast and give to your local public radio station at donate.npr.org/1A. Email the show at 1a@wamu.org.